—Tommy, come on! Believe in yourself. You can do it!
—For you, ________. For me, it’s quite difficult. But I’ll try my best.
it’s a piece of cake
it serves you right
it takes time
What’s your brother like? ________.
Helen told me that she had some problems _______ his English learning.
I think maths is not ________ science.
---Which pen can I take? ---You can take ______ pen you like.
Miss Green has ______ free time than Mr Green. She is busy all day.